Mighty Mule MM572W
#3 in Dual swingFull review
A heavy duty UL 325 listed kit for a wide pair of estate or farm gates. Check the length and weight chart for leaves over 8 ft.
Amazon $765.99$765.99
The Mighty Mule MM572W is the better automatic gate opener overall, rated 3.5 to 2.4. The Mighty Mule MM572W leads on gate weight, gate length and warranty. The TOPENS PW302 wins on price. The TOPENS PW302 costs $366.99 less ($399 vs $765.99).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
TOPENS PW302
#11 in Dual swingFull review
A budget dual kit for a light pair of gates near an outlet. Heavier or longer leaves need a bigger kit.
Amazon $399$399
Which should you buy?
- Choose the Mighty Mule MM572W for gate weight (gates up to 850 lb per leaf vs gates up to 300 lb per leaf), gate length (gates up to 18 ft per leaf vs gates up to 12 ft per leaf) and warranty (1.5-year warranty vs 1-year warranty).
- Choose the TOPENS PW302 for price ($399 vs $765.99).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every dual swing automatic gate opener; a clear win is highlighted. How we rank explains each one.
| Factor weight | Mighty Mule MM572W | TOPENS PW302 |
|---|---|---|
| Overall rating | 3.5/5 | 2.4/5 |
| Gate weight 20% | 87 gates up to 850 lb per leaf | 0 gates up to 300 lb per leaf |
| Gate length 15% | 80 gates up to 18 ft per leaf | 20 gates up to 12 ft per leaf |
| Safety listing 15% | 100 UL 325 listed | 0 no UL 325 listing published, scored as none |
| Price 25% | 40 $765.99 | 90 $399 |
| Warranty 25% | 12 1.5-year warranty | 0 1-year warranty |
Specifications
| Mighty Mule MM572W | TOPENS PW302 | |
|---|---|---|
| Gate | ||
| Gate type | Dual swing | Dual swing |
| Heaviest gate | 850 lb | 300 lb |
| Longest gate | 18 ft | 12 ft |
| Time to open | 14 s | 15 s |
| UL 325 listed | Yes | - |
| Power | ||
| Power | Battery, solar ready | AC |
| Battery | 7 Ah | - |
| Motor voltage | 12 V | 24 V |
| Build | ||
| Remotes included | 1 | 2 |
| Weight | 55 lb | 34.6 lb |
| Warranty | 1.5 years | 1 year |